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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2023-12-11 16:35:57 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2023-12-11 16:35:57 +0100 |
| commit | 542e565baa776ed4c5c55b73ef9aa38d33d55197 (patch) | |
| tree | 58c5ab624d1174ae333104d9e9e81b408ed4e119 /device/receive.go | |
| parent | device: reduce redundant per-packet overhead in RX path (diff) | |
| download | wireguard-go-542e565baa776ed4c5c55b73ef9aa38d33d55197.tar.xz wireguard-go-542e565baa776ed4c5c55b73ef9aa38d33d55197.zip | |
device: do atomic 64-bit add outside of vector loop
Only bother updating the rxBytes counter once we've processed a whole
vector, since additions are atomic.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to '')
| -rw-r--r-- | device/receive.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/device/receive.go b/device/receive.go index 98e2024..1ab3e29 100644 --- a/device/receive.go +++ b/device/receive.go @@ -447,6 +447,7 @@ func (peer *Peer) RoutineSequentialReceiver(maxBatchSize int) { elemsContainer.Lock() validTailPacket := -1 dataPacketReceived := false + rxBytesLen := uint64(0) for i, elem := range elemsContainer.elems { if elem.packet == nil { // decryption failed @@ -463,7 +464,7 @@ func (peer *Peer) RoutineSequentialReceiver(maxBatchSize int) { peer.timersHandshakeComplete() peer.SendStagedPackets() } - peer.rxBytes.Add(uint64(len(elem.packet) + MinMessageSize)) + rxBytesLen += uint64(len(elem.packet) + MinMessageSize) if len(elem.packet) == 0 { device.log.Verbosef("%v - Receiving keepalive packet", peer) @@ -512,6 +513,8 @@ func (peer *Peer) RoutineSequentialReceiver(maxBatchSize int) { bufs = append(bufs, elem.buffer[:MessageTransportOffsetContent+len(elem.packet)]) } + + peer.rxBytes.Add(rxBytesLen) if validTailPacket >= 0 { peer.SetEndpointFromPacket(elemsContainer.elems[validTailPacket].endpoint) peer.keepKeyFreshReceiving() |